./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/overflow_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/overflow_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0590736743c18ebce50a6d0f77e9fc85deef542ee50a2e7c24805789d5b67791 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:07,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:07,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:07,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:07,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:07,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:07,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:07,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:07,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:07,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:07,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:07,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:07,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:07,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:07,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:07,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:07,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:07,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:07,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:07,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:07,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:07,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:07,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:07,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:07,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:07,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:07,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:07,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:07,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:07,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:07,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:07,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:07,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:07,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:07,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:07,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:07,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:07,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:07,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:07,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:07,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:07,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:07,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:07,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:07,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:07,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:07,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:07,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:07,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:07,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:07,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:07,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:07,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:07,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:07,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:07,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:07,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:07,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:07,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:07,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:07,461 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:07,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:07,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:07,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:07,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:07,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:07,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:07,463 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:07,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:07,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:07,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0590736743c18ebce50a6d0f77e9fc85deef542ee50a2e7c24805789d5b67791 [2021-11-23 15:59:07,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:07,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:07,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:07,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:07,855 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:07,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2021-11-23 15:59:07,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/8d61c5b92/f2be47d783614f50a6db0ddda050d05d/FLAG333f950b7 [2021-11-23 15:59:08,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:08,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2021-11-23 15:59:08,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/8d61c5b92/f2be47d783614f50a6db0ddda050d05d/FLAG333f950b7 [2021-11-23 15:59:08,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/8d61c5b92/f2be47d783614f50a6db0ddda050d05d [2021-11-23 15:59:08,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:08,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:08,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:08,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:08,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:08,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:08" (1/1) ... [2021-11-23 15:59:08,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18592de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:08, skipping insertion in model container [2021-11-23 15:59:08,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:08" (1/1) ... [2021-11-23 15:59:08,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:08,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:09,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337] [2021-11-23 15:59:09,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:09,117 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:09,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337] [2021-11-23 15:59:09,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:09,148 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:09,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09 WrapperNode [2021-11-23 15:59:09,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:09,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:09,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:09,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:09,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,181 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2021-11-23 15:59:09,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:09,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:09,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:09,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:09,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:09,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:09,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:09,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:09,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:09" (1/1) ... [2021-11-23 15:59:09,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:09,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:09,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:09,360 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:09,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:09,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:09,463 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:09,467 INFO L158 Benchmark]: Toolchain (without parser) took 590.23ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 88.9MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:09,469 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:09,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.69ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 51.2MB in the beginning and 100.0MB in the end (delta: -48.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:09,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.26ms. Allocated memory is still 123.7MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:09,472 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 97.6MB in the end (delta: 813.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:09,473 INFO L158 Benchmark]: RCFGBuilder took 261.31ms. Allocated memory is still 123.7MB. Free memory was 97.6MB in the beginning and 88.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:09,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.69ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 51.2MB in the beginning and 100.0MB in the end (delta: -48.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.26ms. Allocated memory is still 123.7MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 97.6MB in the end (delta: 813.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.31ms. Allocated memory is still 123.7MB. Free memory was 97.6MB in the beginning and 88.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:09,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/overflow_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0590736743c18ebce50a6d0f77e9fc85deef542ee50a2e7c24805789d5b67791 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:12,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:12,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:12,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:12,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:12,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:12,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:12,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:12,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:12,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:12,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:12,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:12,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:12,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:12,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:12,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:12,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:12,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:12,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:12,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:12,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:12,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:12,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:12,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:12,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:12,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:12,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:12,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:12,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:12,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:12,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:12,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:12,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:12,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:12,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:12,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:12,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:12,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:12,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:12,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:12,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:12,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:12,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:12,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:12,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:12,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:12,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:12,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:12,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:12,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:12,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:12,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:12,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:12,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:12,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:12,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:12,413 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:12,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:12,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:12,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:12,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:12,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:12,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:12,415 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:12,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:12,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:12,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:12,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:12,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:12,416 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:12,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:12,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:12,417 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:12,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:12,418 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0590736743c18ebce50a6d0f77e9fc85deef542ee50a2e7c24805789d5b67791 [2021-11-23 15:59:12,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:12,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:12,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:12,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:12,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:12,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2021-11-23 15:59:13,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/f5032488b/f9709bc88d1748aeb0ea6f6406f0ff65/FLAG3f73eadd9 [2021-11-23 15:59:13,722 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:13,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2021-11-23 15:59:13,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/f5032488b/f9709bc88d1748aeb0ea6f6406f0ff65/FLAG3f73eadd9 [2021-11-23 15:59:14,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/data/f5032488b/f9709bc88d1748aeb0ea6f6406f0ff65 [2021-11-23 15:59:14,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:14,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:14,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:14,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:14,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:14,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587f9c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14, skipping insertion in model container [2021-11-23 15:59:14,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:14,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:14,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337] [2021-11-23 15:59:14,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:14,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/sv-benchmarks/c/loop-acceleration/overflow_1-1.c[324,337] [2021-11-23 15:59:14,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,357 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:14,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14 WrapperNode [2021-11-23 15:59:14,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:14,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:14,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:14,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:14,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,407 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2021-11-23 15:59:14,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:14,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:14,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:14,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:14,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:14,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:14,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:14,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:14,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:14,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:14,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:14,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:14,663 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:14,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:14,808 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:14,840 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:14,849 INFO L158 Benchmark]: Toolchain (without parser) took 753.56ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 37.8MB in the end (delta: 5.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,852 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:14,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.08ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 33.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.70ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 47.2MB in the end (delta: -13.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,858 INFO L158 Benchmark]: Boogie Preprocessor took 47.14ms. Allocated memory is still 62.9MB. Free memory was 47.2MB in the beginning and 46.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,860 INFO L158 Benchmark]: RCFGBuilder took 388.54ms. Allocated memory is still 62.9MB. Free memory was 46.2MB in the beginning and 38.0MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.08ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 33.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.70ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 47.2MB in the end (delta: -13.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.14ms. Allocated memory is still 62.9MB. Free memory was 47.2MB in the beginning and 46.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.54ms. Allocated memory is still 62.9MB. Free memory was 46.2MB in the beginning and 38.0MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:14,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ecb1fe-4770-4eec-8762-418a0c9eaa46/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable